Dynamic Coastal Protection
Resilience of Dynamic Revetments (DynaRev)
C. E. Blenkinsopp (University of Bath)
P.B. Bayle (University of Bath)
D. C. Conley (Plymouth University)
G. Masselink (Plymouth University)
E. Gulson (Plymouth University)
I. Kelly (Plymouth University)
R. Almar (LEGOS UMR5566 (CNRS/CNES/IRD/UPS))
I.L. Turner (University of New South Wales)
T. E. Baldock (University of Queensland)
T. Beuzen (University of New South Wales)
R. McCall (Deltares)
H.T. Rijper (Royal Boskalis Westminster N.V.)
A.J.H.M. Reniers (Environmental Fluid Mechanics)
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Abstract
A large-scale laboratory experiment was completed to investigate the performance of a dynamic cobble berm revetment designed to provide sustainable coastal protection under wave attack and a rising water level. The experiment demonstrated the inherent stability of the dynamic revetment, which was observed to be reshaped by every wave but retained its overall shape throughout the experiment with almost no loss of material. By comparing with a sand beach case, it was found that the revetment reduced shoreline retreat during an erosive wave condition and reduced runup excursions, thus eliminating erosion landward of the revetment. Overall the experiment provided significant new understanding of dynamic revetments and demonstrated the potential for dynamic revetments to provide low cost, robust coastal protection.
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